The three divisions of Yummy Foods are Snack Goods, Cereal, and Frozen Foods. The divisions are structured as investment centers. The following responsibility reports were prepared for the three divisions for the prior year: Cereal Revenues Operating expenses Income from operations before Snack Goods 200,000 1,366,600 Frozen Foods $2,100,000 1122,000 976,800 $2, $2,520,000 service department charges Service department charges: 833400 $1,398,000 $1,123 200 Promotion $ 300,000 600,000 468,000 235 200 243,600 437,400 843,600 703,200 396,000 554,400 $ 420,000 $2,000,000 $1,680,000 $1,750,000 7,400 Legal Total service department charges Income from operations Invested assets 1. Calculate the profit margin and evaluate. 2. Calculate investment turnover and evaluate. 3. Calculate the rate of ROI and evaluate